iOS Programming Slides, Objective C, Getting Started With iOS Programming

1. iOS Programming
Objective C + iOS

2. Profile
Ankit Desai
 Ph.D. Scholar, IET, Ahmedabad University
 Education: M. Tech. CE, B.E. I. T.
 Experience: 7.5 Years (Academic and Research)
 Research Interest: IoT, Big Data Analytics,
Machine Learning, Data Mining.

3. Mobile app development
 Android
 Windows
 iOS
 Blackberry
 Bada
 j2me

4. Mobile app development
Platforms/IDE
 Android Studio (java) (Android apps)
 Appcelerator studio (HTML Scripting) (iOS, Win, Android…)
 PhoneGap (HTML Scripting) (iOS, Win, Android…)
 WinDev Mobile (…) (Win, iOS, Android)
 iOS sdk (Objective C) (iOS Programming)
 Eclipse and netbeans (java) (Android)
 Unity3D (java) (Mobile gaming)
 Java ME SDK (java) (J2ME)
 No Programming Required (TheAppBuilder.com, Other Web)

5. Platform Information
 iOS Programming requirements
 Macintosh Operating System (OS Lion and above)
 Xcode IDE
 Knowledge of Objective C Programming/Swift
Language
 Explain Xcode IDE operations

6. Objective C - Class Declare

7. Objective C – Class Impl.

8. Objective C – main.m

9. iOS App Development
 App Logo / App Icon
 App Splash Screen
 App Orientation

10. App icon

11. Splash Screen

12. Increase screen time
[NSThread sleepForTimeInterval:5.0];
Add above line in viewController.m:
- (void)viewDidLoad
{
[NSThread sleepForTimeInterval:5.0];
[super viewDidLoad];
}

13. Only Portrait

15. Login Demo
 Create GUI

16.  3 Labels,
 2 Text Box,
 1 Button

17. Create Properties and
Actions
 Ctrl + click + drag in to viewcontroller.h

19. @synthesize
@synthesize uname,passwd;
Add above line into viewcontroller.m below
@implementation com_abc_demoViewController
@synthesize uname,passwd;
…

20. Code Method onClick()

21. Change password property
 For secure password and for multiple types of
keyboard input
 Also see placeholder property of both textboxes

22. Secure, place holder &
keyboard type property

23. Get rid of keyboard
add new methods

24. Adding delegate

25. Which button is clicked?
 Change UIAlertView delegate from nil to self.
 Add handler for determining which button is
clicked?

26. Adding self delegate
UIAlertView *success = [[UIAlertView alloc]initWithTitle:@"Welcome"
message:uname1 delegate:self cancelButtonTitle:@"cancle"
otherButtonTitles:@"ok", nil];
[success show];

27. Adding new method
 Get the prototype from UIAlertView Class and
add following code in body part.
- (void)alertView:(UIAlertView *)alertView
clickedButtonAtIndex:(NSInteger)buttonIndex{
if(buttonIndex == 0){
self.view.backgroundColor = [UIColor redColor];
}
else if(buttonIndex == 1){
self.view.backgroundColor = [UIColor greenColor];
}else{
self.view.backgroundColor = [UIColor blueColor];
}
}

28. Deployment of App
 Add app bundle id in to website.
 Create an archive (.ipa)
 Install archive on device

29. Further source of reading
1. Youtube channel (thenewboston) iOS Series
videos
2. Youtube channel (thenewboston) Objective C
Series videos
3. O’relly publication’s book on iOS programming
4. iOS SDK page on developer.apple.com

30. Thank you
 For further communication or queries:
 Contact me:
 desaiankitb@gmail.com
 www.fb.com/desaiankitb

31. MCQ’s
Q1
 What is swift?
1. Programming language
2. Framework
3. Another name of iOS8
4. None of above

32. MCQ’s
A1
 What is swift?
1. Programming language
2. Framework
3. Another name of iOS8
4. None of above

33. Q2
 What is bundle identifier in iOS applications?
1. It’s a unique identifier for an iOS application.
2. It identifies iOS app on a computer
3. It is used for setting appicons
4. It is used for setting app’s splash screens

34. A2
 What is bundle identifier in iOS applications?
1. It’s a unique identifier for an iOS application.
2. It identifies iOS app on a computer
3. It is used for setting appicons
4. It is used for setting app’s splash screens

35. Q3
 Find correct way to access method in objective
c.
1. [x method-name:para1:para2];
2. x.method-name(para1,para2);
3. x->method-name:para1,para2;
4. x->method-name(para1,para2);

36. A3
 Find correct way to access method in objective
c.
1. [x method-name:para1:para2];
2. x.method-name(para1,para2);
3. x->method-name:para1,para2;
4. x->method-name(para1,para2);

37. Q4
 Create object syntax in Objective C is:
1. ClassName ob = new ClassName();
2. ClassName *ob = new ClassName();
3. ClassName *ob = [[ClassName alloc]init];
4. ClassName ob = [[ClassName alloc]init];

38. A4
 Create object syntax in Objective C is:
1. ClassName ob = new ClassName();
2. ClassName *ob = new ClassName();
3. ClassName *ob = [[ClassName alloc]init];
4. ClassName ob = [[ClassName alloc]init];

39. Q5
 What is @synthesize?
1. Used to create properties.
2. Used to create getters and setters on given
property
3. Used to create synthetic objects
4. Used to allocate memory to class variables.

40. A5
 What is @synthesize?
1. Used to create properties.
2. Used to create getters and setters on given
property
3. Used to create synthetic objects
4. Used to allocate memory to class variables.